2×150t/h燃煤锅炉烟气氨法脱硫技术应用总结

Sum-Up of Use of Technology of 2×150 t/h Coal-Fired Boiler Flue Gas Desulphurization Process with Aqua Ammonia

简要介绍了锅炉烟气氨法脱硫的工艺流程及工艺参数。针对烟气氨法脱硫装置运行中存在的脱硫塔出口压力数据不正常、脱硫塔出口烟气温度低于设计值、理论计算氨耗与硫酸铵产量略有出入等问题,提出了相应的整改措施。氨法脱硫装置投运后,环保效果显著,不产生二次污染,无新增污染源;利用废氨水将烟气中的SO2回收并资源化,减排效果良好,经济效益显著。

A brief introduction is given of desulphurization process with aqua ammonia. desulfurization unit, such as abnormal pressure at outlet of desulfurization tower is lower than process flow sheet and process parameters of boiler flue gas In connection with problems in operation of flue gas data at outlet of desulfurization tower, flue gas temperature design value, and theoretical calculation value of ammonia consumption is slightly different from ammonium sulfate output, relevant reformation measures are After putting into operation of the flue gas desulfurization unit by using the process with aqua ammonia, environmental protection effect is remarkable, producing no second pollution, and increasing no more pollution source; utilizing waste aqua ammonia to recover SO2 in flue gas and transforming it into resource has good emission reduction effect, and has significant economic benefit.